Home / 1,379,427.70-2,069,206.35-432,829.30

Finding the Fourth Proportional to 1,379,427.70, 2,069,206.35 and 432,829.30

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Solution

The fourth proportional to 1,379,427.70, 2,069,206.35 and 432,829.30 is: 649,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,427.70 : 2,069,206.35 = 432,829.30 : x
  2. Step 2: Convert to fraction form
    1,379,427.70/2,069,206.35 = 432,829.30/x
  3. Step 3: Cross multiply
    1,379,427.70x = 2,069,206.35 × 432,829.30
  4. Step 4: Simplify right side
    1,379,427.70x = 895,613,136,026.06
  5. Step 5: Solve for x
    x = 895,613,136,026.06/1,379,427.70
  6. Step 6: Final answer
    x = 649,264.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.